---
title: "2840 – Borates; peroxoborates (perborates).: Canada tariff & duty rates"
description: "Every Canadian tariff classification under HS 2840: Borates; peroxoborates (perborates). CBSA duty rates for each code."
canonical: "https://www.adhocs.ca/hs-codes/2840"
---

# 2840 Borates; peroxoborates (perborates).

Up: [HS codes](https://www.adhocs.ca/hs-codes) › [Chapter 28](https://www.adhocs.ca/hs-codes/28)

4 subheadings. Each subheading links to its page, which lists its 10-digit codes, or to its only 10-digit code.

## Disodium tetraborate (refined borax)

- [2840.11.00.00](https://www.adhocs.ca/hs-codes/2840.11.00.00) Anhydrous
- [2840.19.00.00](https://www.adhocs.ca/hs-codes/2840.19.00.00) Other

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- [2840.20.00.00](https://www.adhocs.ca/hs-codes/2840.20.00.00) Other borates
- [2840.30.00.00](https://www.adhocs.ca/hs-codes/2840.30.00.00) Peroxoborates (perborates)

## Other headings in this chapter

- Previous: [2839](https://www.adhocs.ca/hs-codes/2839) Silicates; commercial alkali metal silicates.
- Next: [2841](https://www.adhocs.ca/hs-codes/2841) Salts of oxometallic or peroxometallic acids.

[Source: CBSA Customs Tariff](https://www.cbsa-asfc.gc.ca/trade-commerce/tariff-tarif/menu-eng.html).